做及物动词时:
each other =互相
通常都置于动词之后.
如:互相帮助=to help each other
Both girls write to each other regularly now.
两位女孩频频互通书信.
The porter and I looked at each other.
搬运工人(或门卫)和我相互对眼.
做不及物动词时:
在使用“each other”这个副词词组的时候可以不加宾语.
如以下两个简单例句(若不使用each other的时候,宾语就不能少了):
They embraced each other.他们互相拥抱.
They hate each other.他们彼此憎恨.